片機(jī)課程設(shè)計(jì)報(bào)告--步進(jìn)電機(jī)控制設(shè)計(jì)(完整版)
【正文】 MOV R4, 00H MOV P1, 03HWAIT: MOV P1 , R0 MOV P0, 0FFH JNB ,TIZ JNB ,POS JNB ,NEG SJMP WAITPOS : MOV A,R4 MOVC A,A+DPTR ACALL DELAY INC R4 AJMP KEYNEG: MOV R4,6 MOV A,R4 MOVC A,A+DPTR MOV P1,A ACALL DELAY AJMP KEYKEY: MOV P0,0FFH JB ,ZZ1 AJMP TIZTIZ: MOV P1,00H SETB SETB AJMP KEYZZ1: JB ,FZ1 CJNE R4,8,LOOPZ MOV R4,0LOOPZ: MOV A,R4 MOVC A,A+DPTR MOV P1,A SETB CPL JNB ,JIASUZ JNB ,JIANSUZ ACALL DELAY INC R4 AJMP KEYFZ1: JB ,KEY CJNE R4,255,LOOPF MOV R4,8LOOPF: DEC R4 MOV A,R4 MOVC A,A+DPTR MOV P1,A SETB CPL JNB ,JIASUF JNB ,JIANSUF ACALL DELAY AJMP KEYDELAY:MOV A,R1 MOV R6,ADD1: MOV R5,6HDD2:MOV R7,0DD3:DJNZ R7,DD3DJNZ R5,DD2 DJNZ R6,DD1RET JIASUZ:ACALL DELAY1CJNE R1,02,L1JMP L2L1: DEC R1L2: JMP LOOPZJIANSUZ:ACALL DELAY1 CJNE R1,08H,L3 JMP L4L3: INC R1L4: JMP LOOPZJIASUF: ACALL DELAY1 CJNE R1,02H,L5
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鄂ICP備17016276號(hào)-1